Recovery Expectations After Submandibular Gland Excision

While not a guarantee for an individual’s experience, this description may inform you on the usual recovery timeline after submandibular gland excision.

Immediate Postoperative Period (Days 1–3)

Most patients are discharged within 1–3 days after surgery, and many — particularly those undergoing minimally invasive or transoral approaches — can go home the same day. [1-2] A supportive dressing (such as a Barton or Veronique dressing) is typically placed around the jaw and neck to reduce swelling and pain. [2] Patients are started on a liquid to soft diet along with pain medication and antibiotics. [2] Swelling, bruising, and mild to moderate pain under the jaw are expected during this period.

First 1–2 Weeks

Swelling and discomfort gradually improve. Patients may notice numbness or tingling in the tongue or lower lip area — this is relatively common and usually temporary. Transient tongue paresthesia occurs in roughly 5–10% of patients and typically resolves within 2–3 weeks without treatment. [2-3]Some patients experience temporary weakness of the lower lip (marginal mandibular nerve paresis), reported in up to ~19% of cases early on, though the vast majority resolve over weeks to months. [4] Eating may feel awkward initially due to swelling and limited jaw opening, but most patients can advance to a regular diet within the first week or two.

Weeks 2–6

By this period, most early discomforts have resolved. Tongue numbness, if present, typically clears by 6 weeks at the latest, occasionally with a short course of gabapentin. [2] Wound healing is generally complete by week 6. [2] For the traditional transcervical approach, a neck scar(typically placed in a natural skin crease) is present; most patients report satisfactory cosmetic results, with only about 2.5% rating the scar as unsatisfactory. [4] Transoral and minimally invasive approaches avoid a visible neck scar entirely. [1-2]

Long-Term Considerations

Dry mouth (xerostomia): About 22% of patients report some degree of dry mouth after unilateral gland removal, since the submandibular glands contribute significantly to resting saliva production. This is usually mild and manageable, as the remaining salivary glands compensate over time. [4]
Nerve function: Permanent marginal mandibular nerve weakness occurs in roughly 2–3% of patients, and permanent lingual nerve paresis in about 1–4%. Hypoglossal nerve injury is rare (<3%). [4-7]
Scarring: For transcervical approaches, scar quality is generally good. Postoperative wound infection (occurring in ~4–7% of cases) can worsen scar outcomes. [4][7]
Rare complications include hematoma, seroma, sialocele (saliva collection), and salivary fistula, all of which typically resolve within a few weeks to months. [8]

What Patients Can Expect Overall

The surgery is effective in resolving the underlying condition in essentially all cases. [4]Most patients return to normal activities within 1–2 weeks, with full recovery by 4–6 weeks. The most common lingering issue is mild dry mouth, which tends to improve with time. Serious permanent complications are uncommon.

Consent form for submandibular gland excision

Salivary gland conditions

Salivary Gland tumors

REFERENCES:

1.Minimally Invasive Video-Assisted Submandibular Sialadenectomy: Surgical Technique and Results From Two Institutions.

Surgical Endoscopy. 2016. Parente Arias PL, Fernández Fernández MM, Varela Vázquez P, de Diego Muñoz B.

2. Transoral Submandibular Gland Excisions: Avoiding the Unsightly Neck Scar in Select Patient Populations.

Head & Neck. 2025. Curtis A, Palomo CM, Benites C, Brown J.Recent

3. Intraoral Removal of the Submandibular Gland: A New Surgical Approach.

Otolaryngology--Head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery. 2000. Hong KH, Kim YK.

4. Submandibular Gland Excision: Long-Term Clinical Outcome in 139 Patients Operated in a Single Institution.

European Archives of Oto-Rhino-Laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies : Affiliated With the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery. 2013. Springborg LK, Møller MN.

5. Submandibular gland excision: From external surgery to robotic intraoral and extraoral approaches.

Oral Diseases. 2020. Cammaroto G, Vicini C, Montevecchi F, et al.

6. Morbidity Associated With Removal of the Submandibular Gland.

Journal of Cranio-Maxillo-Facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery. 1992. Berini-Aytes L, Gay-Escoda C.

7. Transcervical Extirpation of the Submandibular Gland: The University of Marburg Experience.

8. Aesthetic Submandibular Gland Resection: A Review of Complication Incidence and Prevention.

Aesthetic Surgery Journal. 2025. Morel SBA, Macias LH, Chopra R, Vorstenbosch J, Safran T.Recent